TM 55-2835-209-23
1-22 VISUAL INSPECTION OF APU (CONT)
12.
Inspect aft engine mounts (8) for
cracks.
No cracks allowed.
13.
Inspect inside turbine combustor
case (9) for oil leakage.
No oil
leakage allowed.
14.
Inspect turbine housing (10) for
cracks.
No cracks allowed.
15.
Inspect compressor inlet and cylin-
der (11) for security or puncture
holes.
No puncture holes allowed.
16.
Inspect compressor housing (12) for
cracks. No cracks allowed.
17.
18.
19.
20.
21.
Inspect hourmeter assembly (13) for
cracked glass.
No cracks allowed.
Inspect igniter plug lead (14) for
frayed cover or pinched areas. No
frayed cover or pinched areas al-
lowed.
Inspect Ignition unit (15) for se-
curity, cracks, discoloration or
bulging.
No cracks, discoloration
or bulging allowed.
Inspect fuel manifold assembly (16)
for chaffing or evidence of leaks.
No chaffing or leaks allowed.
Inspect immersion thermocouple (17)
and wiring for security and damage.
No damage allowed.
1-18
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